23130203249 has 2 divisors, whose sum is σ = 23130203250. Its totient is φ = 23130203248.

The previous prime is 23130203233. The next prime is 23130203251. The reversal of 23130203249 is 94230203132.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20261529649 + 2868673600 = 142343^2 + 53560^2 .

It is a cyclic number.

It is not a de Polignac number, because 23130203249 - 2⁴ = 23130203233 is a prime.

Together with 23130203251, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (23130203209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11565101624 + 11565101625.

It is an arithmetic number, because the mean of its divisors is an integer number (11565101625).

Almost surely, 2^23130203249 is an apocalyptic number.

It is an amenable number.

23130203249 is a deficient number, since it is larger than the sum of its proper divisors (1).

23130203249 is an equidigital number, since it uses as much as digits as its factorization.

23130203249 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 29.

The spelling of 23130203249 in words is "twenty-three billion, one hundred thirty million, two hundred three thousand, two hundred forty-nine".